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In the best-selling book 142 1: China Discovers the World published in 2002, Gavin, former submarine commander of the British Royal Navy? Menzies pointed out that Zheng He's fleet sailed around the world and discovered America and Oceania long before the so-called great voyage era in the west.

On June 65438+1October 16, 2006, a China painted on 1763 and marked Yongle 16 (14 18) was exhibited simultaneously in Beijing and maritime museum, a Greenwich country in London. The navigation map of China has detailed navigation areas and outlines of America, Europe and Africa. In addition, there are descriptions of American aborigines (black and red skin with feathers on the head and waist) and Australian aborigines (dark skin, naked body and bone products on the waist). The only drawback is that there is no record of Britain in the nautical chart. According to China lawyer Liu Gang, the collector of the map, he bought the map from a Shanghai businessman for 500 dollars in 200 1 year, and learned the historical importance and significance of the nautical chart by reading the above book 142 1: China Discovers the World. Zheng He's seven voyages to the West are great achievements in the history of world navigation. European navigators Columbus and Wagda Gama both sailed much later than Zheng He. They sailed several times, about 100 people, three or four ships, and the maximum tonnage was only 120 tons. Zheng He surpassed these European navigators in voyage, scale and organization. Menzies, a former British naval officer and marine historian, published China Discovers the World at 142 1. In 2002, at the Second Kunming International Conference on Zheng He Studies held by Yunnan University, menzies, an Englishman, gave a keynote speech entitled "Zheng He is the first great man in global navigation [1]", and put forward the view that Zheng He was ahead of Columbus, America, Australia and other places. In the report, menzies demonstrated his views from four aspects. First of all, America was not discovered by Europeans. The accurate drawing time of the world map of Zheng He's fleet was 1423, which was earlier than the great discovery of European navigation. Before European explorers set sail, the countries and regions they went to were already on the map, which was accurately drawn and marked with the voyage. The diaries of Columbus, Da Gama, Magellan Cook and others can prove this. Maps used by European explorers, such as the "Piri Reyes" map, came out as early as 400 years before they arrived in Antarctica, depicting South Shetek Island and South Sandwich Island. Secondly, Zheng He made seven voyages to the Western Ocean from 1405- 1433. In the Atlas of Exotic Regions published by 1430, he painted animals unique to all continents, such as lions and elephants in India, zebras and giraffes in Africa, armadillos, leopards and teeth in South America. Zheng He's voyages to the Western Ocean left stone tablets engraved with latitude and longitude in many countries and regions. Menzies pointed out that at that time, China had been sailing for 600 years, and only China had the strength to send a huge fleet to explore world geography and accurately detect latitude and longitude, which provided necessary information for the drafters of famous maps such as Piri Reyes and Contino. Undamaged maps of China and nautical charts such as "Conetto Map" indicate East Africa, South Africa and West Africa, and "Porcelain Map of Taiwan Province Province" indicates Australia. 1420- 1430 years, China's navigation guide and star map, as painted by Wu Peizhi, also proved that China people had been to South America, Australia and Java. Third, in the Far East, Indian Ocean, Africa, North China and Atlantic coast, South Australia and other places, the earliest European explorers were Asians. The aborigines in these areas described a large number of Asians who lived with Europeans before their arrival. In these areas, shipwrecks, porcelain, pottery, handicrafts and stone buildings with China characteristics have been found. The first Europeans who arrived in America discovered China's universal and world-leading technologies at that time, such as extracting dyes, making copper, mining, etc., and discovered animals and plants unique to Asia. Fourthly, DNA analysis found that the indigenous people in California, Brazil, Australia and other places in the United States may contain China's DNA, while all ethnic groups in America only found diseases in China and Southeast Asia. Menzies said that the above evidence shows that from March of142/kloc-0 to June of 1423, China had four large fleets sailing around the world, and the sailors and their families on these fleets settled in Malaysia, North and South America, Australia, New Zealand and other Pacific islands. China people (Zheng He's fleet) first discovered and settled in the new American continent. China's Chinese civilization, such as shipbuilding and navigation technology, represented by Zheng He's voyage to the West, has undeniably become a bright pearl in the treasure house of human history. Menzies first put forward this viewpoint when he gave a speech at the Royal Geographical Society from March 6 to May 6, 2000. Since then, Zheng He's research has set off a global upsurge. After the publication of this theory, a lot of evidence supporting his argument from all over the world was sent to his laboratory. Menzies's speech at Yunnan University today lasted 1.5 hours. He showed a slide showing 28 pages of evidence, more than that disclosed in London in March. And presented his new book: 142 1: China Discovers the World to some delegates. Some China scholars attending the meeting, such as Liu Dacai, a special researcher at the China Institute of Strategic Studies in Taiwan Province Province, and Ma Chaoqun, a professor at Yunnan Normal University, began to recognize menzies's point of view.

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